19915402010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2477}}^1\times {\mathrm{114859}}^1$

素因数の和:117350

約数の個数: 32

約数和(自身を含む): 40985723520

約数和(自身を除く): 21070321510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2477, 4954, 12385, 17339, 24770, 34678, 86695, 114859, 173390, 229718, 574295, 804013, 1148590, 1608026, 4020065, 8040130, 284505743, 569011486, 1422528715, 1991540201, 2845057430, 3983080402, 9957701005, 19915402010]

約数ペア:

[(1, 19915402010), (2, 9957701005), (5, 3983080402), (7, 2845057430), (10, 1991540201), (14, 1422528715), (35, 569011486), (70, 284505743), (2477, 8040130), (4954, 4020065), (12385, 1608026), (17339, 1148590), (24770, 804013), (34678, 574295), (86695, 229718), (114859, 173390)]